/usr/ is in libappstreamqt-dev 0.9.4-1.
This file is owned by root:root, with mode 0o755.
..
/usr/lib/
/usr/lib/x86_64-linux-gnu/
/usr/lib/x86_64-linux-gnu/cmake/
/usr/lib/x86_64-linux-gnu/cmake/AppstreamQt/
/usr/lib/x86_64-linux-gnu/cmake/AppstreamQt/AppstreamQtConfigVersion.cmake
/usr/lib/x86_64-linux-gnu/cmake/AppstreamQt/AppstreamQtTargets.cmake
/usr/lib/x86_64-linux-gnu/cmake/AppstreamQt/AppstreamQtTargets-debug.cmake
/usr/lib/x86_64-linux-gnu/cmake/AppstreamQt/AppstreamQtConfig.cmake
/usr/include/
/usr/include/AppstreamQt/
/usr/include/AppstreamQt/appstreamqt_export.h
/usr/include/AppstreamQt/component.h
/usr/include/AppstreamQt/screenshot.h
/usr/include/AppstreamQt/provides.h
/usr/include/AppstreamQt/database.h
/usr/include/AppstreamQt/image.h
/usr/share/
/usr/share/doc/
/usr/share/doc/libappstreamqt-dev/
/usr/share/doc/libappstreamqt-dev/copyright
/usr/lib/x86_64-linux-gnu/libAppstreamQt.so
/usr/share/doc/libappstreamqt-dev/changelog.Debian.gz